Narrative:

Just after takeoff get a call from cabin there is a strange smell of smoke or odor throughout the cabin. The ovens were not on. In conversation with purser; we were trying to decide about whether we should continue or return. Got another call from cabin and was told that there was another pilot onboard that said that he 'was concerned;' and that passengers were asking. After hearing that key word; made the decision to return to ZZZ. Advised flight attendants and made a PA to passengers. Notified ATC. Accomplished the cabin smoke/fire/fumes checklist. Exceeded 250 kts; to expedite return. Landed xxr and cleared at golf. Inspected exterior by crash fire rescue; and cleared to gate. When door opened ground personnel could smell strange odor. Advised that they were considering odor came from electro-static sprayer. One of the flight attendants later said she smelled the same thing yesterday.

Google
 

Original NASA ASRS Text

Title: B-737 flight crew reported executing an uneventful emergency air return due to fumes in the passenger cabin.

Narrative: Just after takeoff get a call from cabin there is a strange smell of smoke or odor throughout the cabin. The ovens were not on. In conversation with purser; we were trying to decide about whether we should continue or return. Got another call from cabin and was told that there was another pilot onboard that said that he 'was concerned;' and that passengers were asking. After hearing that key word; made the decision to return to ZZZ. Advised flight attendants and made a PA to passengers. Notified ATC. Accomplished the cabin smoke/fire/fumes checklist. Exceeded 250 kts; to expedite return. Landed XXR and cleared at golf. Inspected exterior by Crash Fire Rescue; and cleared to gate. When door opened ground personnel could smell strange odor. Advised that they were considering odor came from electro-static sprayer. One of the flight attendants later said she smelled the same thing yesterday.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.